DJI Mic (1 TX + 1 RX) has an all-in-one design as well as a 15-hour battery life

Record your audios comfortably on the go with the DJI Mic (1 TX + 1 RX). This all-in-one design comes with transmitters and receiver that are linked, charged, and securely stored in the charging case. This makes it easy to carry and use instantly. Additionally, you will also get up to 250m (820 ft.) audio transmission range. In fact, this microphone is also supported in open, unobstructed environments without interference. You can easily enjoy up to 5.5 hours of battery life from the transmitters, and up to 15 hours with the charging case. There’s also a convenient back clip and magnetic design for easy attachment to clothes. Most importantly, the receiver has a built-in 0.95-inch OLED touchscreen that provides intuitive access to different operations.